What it is: A market failure occurs when the supply of a good or service is insufficient to meet demand. This results in an inefficient distribution of resources among market participants. Under free market conditions, prices are determined almost exclusively by the forces of supply and demand.
NuvaRing is currently under the protection of a patent that prevents any generic NuvaRing from being manufactured in the United States. The first patent for NuvaRing currently expires in April 2018.This is the earliest possible date that a generic version of NuvaRing could become available. However, there are other circumstances that could come up to extend the exclusivity period of NuvaRing beyond 2018.This could include such things as other patents for specific NuvaRing uses or lawsuits.uvaRing is currently under the protection of a patent that prevents any generic NuvaRing from being manufactured in the United States. The first patent for NuvaRing currently expires in April 2018.
Insert 1 NuvaRing in the vagina and keep it in place for 3 weeks (21 days). Remove the NuvaRing for a 1-week break (7 days). During the 1-week break (7 days), you will usually have your period.Note: Insert and remove NuvaRing on the same day of the week and at the same time: For example, if you insert your NuvaRing on a Monday at 8:00 AM, you should remove. it on the Monday 3 weeks later at 8:00 AM.fter your 1-week break (7 days), you should insert a new NuvaRing on the next. Monday at 8:00 AM. While using NuvaRing, you should not use a vaginal diaphragm as your back-up method of birth control because NuvaRing may interfere with the correct placement and position of a diaphragm.